正确答案: C

茎本身

题目：缠绕茎靠( )向上升，如何首乌。

解析：C

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举一反三的答案和解析：

[单选题]--Your mum is very kind.--Yeah, My mum is pretty considerate, you know what ,she always arranges everything around me.

I mean

[单选题]--I'm not finished with my dinner yet.--But our friends______ for us.

are waiting

[单选题]属于β受体阻断剂的药物是（ ）。

普萘洛尔

[单选题]无限维管束主要分布于裸子植物和双子叶植物的器官中。( )

正确

[单选题]45______a.thick

rong